Re: silent semantic changes with reiser4

[Andrew Morton]

Spam <spam@xxxxxxxxxxxx> wrote:
>
> 
> 
> > Spam <spam@xxxxxxxxxxxx> wrote:
> >>
> >>    Yes,  for  example  documents,  image  files  etc. The multiple data
> >>    streams  can  contain thumbnails, info about who is editing the file
> >>    (useful for networked files) etc. Could be used for version handling
> >>    and much more.
> 
> > All of which can be handled in userspace library code.
> 
> > What compelling reason is there for doing this in the kernel?
> 
> 
>   Because  having user space tools and code will make it not work with
>   everything. Keeping stuff in the kernel should make the new features
>   transparent to the applications.
> 
>   Applications  that support the new features will benefit, all others
>   will continue to work without destroying data.

Sorry, but that all sounds a bit fluffy.   Please provide some examples.

(Generally, getting all of userspace to agree on a particular library is
socially hard [*], but I don't see that as a reason for putting the
functionality into the kernel)

[*] Example: where's the library to manipulate /etc/whatever.conf? [**]

[**] yes, I know about gconf.

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